Segment Information - EBITDA Reconciliation to Net Earnings (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Adjusted EBITDA
Adjusted EBITDA	$ 49	$ 73
Amortization of intangibles	(6)	(2)
Depreciation	(16)	(13)
Interest expense	(8)	(8)
Deal related transaction costs	(2)	(2)
Other one-time non-operational events	(1)	0
Income tax (provision) benefit	(4)	(12)
Net earnings	12	36
Operating Segments | ASC
Adjusted EBITDA
Adjusted EBITDA	37	32
Operating Segments | IMS
Adjusted EBITDA
Adjusted EBITDA	12	41
Corporate & Eliminations
Adjusted EBITDA
Adjusted EBITDA	$ 0	$ 0